page_pool: halve BIAS_MAX for multiple user references of a fragment

Up to now, we were only subtracting from the number of used page fragments
to figure out when a page could be freed or recycled. A following patch
introduces support for multiple users referencing the same fragment. So
reduce the initial page fragments value to half to avoid overflowing.

Signed-off-by: Liang Chen <[email protected]>
Reviewed-by: Yunsheng Lin <[email protected]>
Reviewed-by: Mina Almasry <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

0 files changed, 0 insertions, 0 deletions